/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package org.apache.predictionio.data.storage.hbase

import org.apache.predictionio.data.storage.{LEvents, Storage}

object StorageTestUtils {
  val hbaseSourceName = "HBASE"

  def dropHBaseNamespace(namespace: String): Unit = {
    val eventDb = Storage.getDataObject[LEvents](hbaseSourceName, namespace)
      .asInstanceOf[HBLEvents]
    val admin = eventDb.client.admin
    val tableNames = admin.listTableNamesByNamespace(namespace)
    tableNames.foreach { name =>
      admin.disableTable(name)
      admin.deleteTable(name)
    }

    // Only empty namespaces (no tables) can be removed.
    admin.deleteNamespace(namespace)
  }

}
